geothermal power plant gunnuhver hot springs reykjanes peninsula iceland

geothermal gunnuhver hot natural steam thermal volcanic energy heat nature station water chimney earth ecological ecology electricity environment factory fumes green industrial plant renewable fumarole iceland landscape power travel volcano reykjanes activity blue diamond boardwalk damage danger effluvium fume geopark area grindavk spring hydrothermal icelandic landmark nordic outdoors powerhouse